Based on the meteorological observation data of Pishihang Irrigation District and its surrounding 12 meteorological stations from 1958 to 2022,using Penman-Monteith formula,the reference crop evaporation and transpiration(ET0)was calculated.The variation characteristics of ET0 and the contribution of main meteorological factors to annual ET0 in Pishihang Irrigation Area were analyzed by means of Mann-Kendall trend test,sensitive curve and linear regression.The results of this study are of great significance to improve the ability of agriculture to adapt to climate change and resist climate disasters.
Pishihang Irrigation Areareference crop evaporation and transpirationsensitivity analysiscontribution rateclimate
国家科技期刊平台
NSTL
万方数据
